Qunclay 4 Pack Magnetic Stir Bars PTFE Coated, 80mm x 10mm (3.15" x 0.39") Cylindrical Stirrer Rods, White Lab Stir Bars for Magnetic Stirrer, Chemical Mixing, Scientific Experiments

["Universal Size for Most Lab Setups: designed in a standard 80 x 10 mm/ 3.15 x 0.39 inches cylindrical shape, these magnetic stir bars fit most magnetic stirrers and lab containers; Ideal for beakers, flasks, and various lab vessels, ensuring consistent compatibility across experiments","PTFE Coating for Nice Resistance: made with purity PTFE coating, these stir bars have nice corrosion and high temperatures resistance; Non-reactive surface protects your samples and ensures accurate experimental results","Magnetic Core for Smooth Rotation: built-in magnet provides stable and balanced spinning without slipping or wobbling; PTFE coated stir bars deliver efficient mixing performance for low to medium viscosity liquids, helping you get uniform results every time","Smooth Surface, Easy to Clean and Reuse: lab stirrer rod features polished, burr-free surface minimizes residue buildup and liquid adhesion; Simply rinse and reuse, perfect for high-frequency lab work where cleanliness and efficiency matter","Reliable for Various Lab Applications: 80mm magnetic stir bar is perfect for chemical labs, research facilities, educational experiments, and pharmaceutical development; Ideal for mixing, dissolving, and reaction processes in daily laboratory operations"]